'''
Date: 2021-06-23 23:24:57
LastEditTime: 2021-06-24 00:17:05
FilePath: \Study\python\考前复习\demo.py
'''
my_dict = dict([])
my_dict2 = dict()
print(my_dict)
print(my_dict2)
print([i**i for i in range(3)])
x = [1, 3, 2]
print(list(reversed(x)))
print('world'.rstrip('df'))
print('world'.rstrip('ldc'))
print(' world'.lstrip())
